A full 12-channel amplifier with an integrated 12-channel DSP. 6 channels of RCA inputs, extra 2-channel AUX RCA input, 12 high-level inputs, coax SPDIF input, optical TOSLINK input, Bluetooth AptX HD input, digital remote control for volume, sub level, preset selection, input selection, mute trigger. 12x80W RMS @ 4 Ohm output channels, extra 2-channel RCA 4V pre-out. Perfect for multi-stage n-way systems, upgrades to OEM multichannel systems where you want a solid foundation. A compact, dense multichannel DSP amplifier that can do it all. The DSP supports the following on every output channel: High pass, low pass and band pass crossovers (Linkwitz Riley, Bessel and Butterworth) up to 48 dB/oct 31 band fully parametric EQ with +/-15 dB correction Time delay up to 15 ms for time alignment, selectable in ms, cm or inches, optional linking of channel pairs Phase phase switching between 0 and 180 degrees Level correction from 0 to -40 dB, optional linking of channel pairs Freely selectable mixing of all input channels to every output channel with the option of phase inversion of single input channels, allowing the set up of a differential rear fill Internal pink noise generator to test each individual output channel Configuration software for Microsoft Windows: DOWNLOAD HERE Manufacturer provided specs: Power supply voltage: 9-15 VDC Remote IN voltage: 6-15 VDC Bandwidth @ -3 dB: 10Hz-20kHz THD @ 1 kHz, 1V RMS Output: 0.05% Output power at 1% THD-N: 12x 80W RMS @ 4 Ohm S/N Ratio full power A-: 100dB Inputs: 6xRCA analogue, 2xRCA AUX, 1x RCA SPDIF coax, 1x TOSLINK SPDIF, 12x high-level, Bluetooth 5.0 AptX HD module Outputs: 12x Speaker level amplified, 2x RCA pre-outs (mirroring channels 11 and 12) Control connections: 1x USB 1.1/2.0, wired remote (DRC) 8 full setup presets Auto on via high level signal detect or remote input Dimensions: 355x170x48 mm What's included: 1x DSP Amplifier unit 5m USB A-B cable 2x High-level input harnesses 2x Speaker output harnesses Mounting brackets and fasteners 1x DRC with cable 1x Bluetooth 5.0 AptX HD module 1x Instructions